﻿' **  Project Home: http://code.google.com/p/yahoo-finance-managed/
' **  
' ******************************************************************************
' **  
' **  Copyright 2011 Marius Häusler
' **  
' **  Licensed under the Apache License, Version 2.0 (the "License");
' **  you may not use this file except in compliance with the License.
' **  You may obtain a copy of the License at
' **  
' **    http://www.apache.org/licenses/LICENSE-2.0
' **  
' **  Unless required by applicable law or agreed to in writing, software
' **  distributed under the License is distributed on an "AS IS" BASIS,
' **  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
' **  See the License for the specific language governing permissions and
' **  limitations under the License.
' ** 
' ******************************************************************************


Namespace YahooManaged.Finance.Indicators

    Public Interface IIndicator
        ReadOnly Property Name() As String
        ReadOnly Property ScaleMinimum() As Double
        ReadOnly Property ScaleMaximum() As Double
        Property Period() As Integer
        ReadOnly Property IsRealative As Boolean
    End Interface

    Public Interface ISingleValueIndicator
        Inherits IIndicator
        Function Calculate(ByVal values As IEnumerable(Of KeyValuePair(Of Date, Double))) As Dictionary(Of Date, Double)()
    End Interface

    Public Interface IHistQuoteIndicator
        Inherits IIndicator
        Function Calculate(ByVal values As IEnumerable(Of HistQuoteData)) As Dictionary(Of Date, Double)()
    End Interface

End Namespace